通城

通城	Tōng chéng	Tongcheng county in Xianning 咸宁, Hubei
通	tōng	to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc
通	tòng	classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)
城	chéng	city walls / city / town / CL:座,道,个